Natron

Natron is a free and open-source node-based compositing application for visual effects and motion graphics, modelled on Nuke's workflow, with keying, roto and rotopaint, 2D tracking, multi-threaded rendering and support for OpenFX plug-ins, OpenEXR, OpenColorIO and OpenImageIO. Available for Windows, macOS and Linux.

• Open-source alternative to: Nuke, Adobe After Effects
• Licence: GPL-2.0 (Copyleft open source)
• Website: https://natrongithub.github.io
• Source code: https://github.com/NatronGitHub/Natron
• GitHub stars: 5623, forks: 429
• Topics: compositing, vfx, node-based, visual effects, motion graphics